Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb6 loss in 11 half-moves
3 Kb7 loss in 3 half-moves
4 Rc8 loss in 3 half-moves
5 Kc6 loss in 2 half-moves
6 Kcc8 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kdc8 loss in 2 half-moves
10 Kdd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves